1376723 has 2 divisors, whose sum is σ = 1376724. Its totient is φ = 1376722.

The previous prime is 1376719. The next prime is 1376729. The reversal of 1376723 is 3276731.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1376723 - 2² = 1376719 is a prime.

It is not a weakly prime, because it can be changed into another prime (1376729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 688361 + 688362.

It is an arithmetic number, because the mean of its divisors is an integer number (688362).

2^1376723 is an apocalyptic number.

1376723 is a deficient number, since it is larger than the sum of its proper divisors (1).

1376723 is an equidigital number, since it uses as much as digits as its factorization.

1376723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5292, while the sum is 29.

The square root of 1376723 is about 1173.3383996103. The cubic root of 1376723 is about 111.2454326282.

The spelling of 1376723 in words is "one million, three hundred seventy-six thousand, seven hundred twenty-three".